1601930736 has 320 divisors, whose sum is σ = 5654400000. Its totient is φ = 432843264.

The previous prime is 1601930719. The next prime is 1601930753. The reversal of 1601930736 is 6370391061.

It is an interprime number because it is at equal distance from previous prime (1601930719) and next prime (1601930753).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1601930736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2815060 + ... + 2815628.

It is an arithmetic number, because the mean of its divisors is an integer number (17670000).

Almost surely, 2^1601930736 is an apocalyptic number.

1601930736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601930736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827200000).

1601930736 is an abundant number, since it is smaller than the sum of its proper divisors (4052469264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1601930736 is a wasteful number, since it uses less digits than its factorization.

1601930736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 1601930736 is about 40024.1269236444. The cubic root of 1601930736 is about 1170.0773650354.

The spelling of 1601930736 in words is "one billion, six hundred one million, nine hundred thirty thousand, seven hundred thirty-six".